Insufficient validation of untrusted input in WebAuthn in Google Chrome prior to 151.0.7922.72 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted PDF file. (Chromium security severity: Low)

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00206.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Google Chrome affected
Version Status Constraints
151.0.7922.72 affected < 151.0.7922.72

No data.

No data.

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html cve-icon
https://issues.chromium.org/issues/520018012 cve-icon
History

Fri, 31 Jul 2026 21:15:00 +0000

Type Values Removed Values Added
Title Insufficient Validation of WebAuthn Input Enables Sandbox Escape via Crafted PDF in Chrome

Thu, 30 Jul 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Thu, 30 Jul 2026 07:30:00 +0000

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome

Thu, 30 Jul 2026 01:00:00 +0000

Type Values Removed Values Added
Description Insufficient validation of untrusted input in WebAuthn in Google Chrome prior to 151.0.7922.72 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted PDF file. (Chromium security severity: Low)
Weaknesses CWE-20
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2026-07-30T17:48:29.975Z

Reserved: 2026-07-27T23:37:14.210Z

Link: CVE-2026-17990

cve-icon Vulnrichment

Updated: 2026-07-30T17:47:08.323Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-31T21:00:03Z

Weaknesses